|     Date: | April 14, 1962 (Paris only, April 16, generally) |
|     Design: | W.H.O. suggested design #1 over a swamp with 'LE MONDE UNI CONTRE LE PALUDISME' inscribed at the upper left and top. |
|     Type: | Commemorative |
|     Perf: | 13 |
|     Designer: | Pierre Cottet |
|     Engraver: | Pierre Cottet |
|     Printer: | State Printing Office, Paris |
|     Process: | engraved |
|     Paper: | unwatermarked |
|     (Value)Color: | (0,50) Blue,Red,Green |
|